{"nhtsa_id":11013897,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-02-06","date":"2025-02-06","document_id":"AR888","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"Step 1: Add 5/16\" ring terminal to Viair compressor power wires. See Figure 1. Install ring terminal, Typ. Both compressors. Loom wires together. Step 2: Drill mounting holes in compressor box tray. Follow instructions on paper template to drill holes in compressor box tray. Step 3: Install isolators on tray. Discard isolators that come with Viair compressor. Use isolator #2002833 (Figure 2) to mount Viair compressors to box tray (8-PLCS). Step 4: Install air filters on compressors. Discard plastic ring on air filters. Use Teflon tape on threads. Install filters on compressors (Figure 3). Step 5: P-Clamp Securement. Through bolt 7/8\" P-clamps (qty 2) to box tray to secure \"T\" fitting (Figure 4). Step 6: Power wires. Wire Viair compressors identical to the Thomas compressor wiring.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013897-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11013897-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11013897","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ARBOC SPECIALTY VEHICLES","model":"SPIRIT OF MOBILITY","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"ARBOC SPECIALTY VEHICLES","model":"SPIRIT OF MOBILITY","year_from":2022,"year_to":2024,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}